Deep vein thrombosis, or DVT, is a blood clot in the deep veins of the legs or arms.  The majority of DVT is treatable with prompt diagnosis and treatment. Duplex ultrasound imaging of the veins in the arms and legs will evaluate for DVT and help your doctor decide on the best treatment plan. 

What to expect from the test?

  • This exam takes approximately 30-45 minutes.
  • Before the test begins, the technologist will ask you to lie on the table with your head slightly elevated and to lie still.
  • The technologist then spreads a special gel over the area that he or she will examine. The gel allows better images.
  • The technologist presses the ultrasound wand against your skin and moves it along the course of the veins. The pressure may cause some discomfort.
  • The wand sends the data to the computer, which produces images the technologist views and records on a television-like screen.
  • During the test, you may hear a whooshing sound, which is the sound that the ultrasound machine makes to represent your blood moving through your body.